explanation

Why teach errors?

Outdated, still in use

We look for reasons to teach things that aren’t true.

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Divisable numbers

How many whats in a which?

In actual use, the decimal system is not always the best.

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Visit your teachers!

Closing the loop

Life extends beyond the end of the class.

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The danger of mathematics

Ask a simple question

We wind up unexpectedly far from home.

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Dealing with data (II)

The Law of Propagation of Bad Data

You need to go back to the source.

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Dealing with data (I)

Making the cut

We have too much information to deal with.  What do scientists do?

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Celestial navigation

Knowing where you are

You can get turn-by-turn directions.  What more do you need?

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The best learning

The best teaching?

Our tutor ponders methods and results.

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Proof and re-proof

Testing the theory again

General Relativity passes another test of its predictions.  Why bother?

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Making mistakes

Is punishing mistakes a mistake?

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